6540-00-782-2361 LENS,OPHTHALMIC,COMPOUND Index 6540-00-782-2485 LENS,OPHTHALMIC,SPHERE

National Stock Number:
6540-00-782-2388

Federal Supply Class:
6540

National Item Identification Number:
007822388

Description:
LENS,OPHTHALMIC,COMPOUND

Detail:
A TRANSPARENT OPTICAL ELEMENT HAVING A SPHERICAL CURVE AND A CYLINDRICAL CURVE USED TO CORRECT VISION DEFECTS OF THE EYE.


Manufacturer Information:
MILL1699181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BASE CURVE DIOPTER2.00 MINUS NOMINAL
CROSS CURVE DIOPTER1.25 PLUS NOMINAL
CROSS-SECTIONAL SHAPE STYLESPHEROCYLINDER COMPOUND
DIAMETER54.0 MILLIMETERS MINIMUM AND 62.0 MILLIMETERS MAXIMUM
HEIGHT52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM
LIGHT TRANSMISSIONUNTINTED
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND MINUS 2.00 WITH PLUS 1.25
MATERIALGLASS SINGLE VISION
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 4 STYLE AND F CLASS
WIDTH52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM
STYLE DESIGNATORROUND-RECTANGULAR WITH ROUNDED CORNERS
SUPPLEMENTARY FEATURESUNCUT
THICKNESS3.0 MILLIMETERS NOMINAL


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